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Finding the Fourth Proportional to 162,306.82, 243,451.11 and 43,969.46

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Solution

The fourth proportional to 162,306.82, 243,451.11 and 43,969.46 is: 65,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,306.82 : 243,451.11 = 43,969.46 : x
  2. Step 2: Convert to fraction form
    162,306.82/243,451.11 = 43,969.46/x
  3. Step 3: Cross multiply
    162,306.82x = 243,451.11 × 43,969.46
  4. Step 4: Simplify right side
    162,306.82x = 10,704,413,843.10
  5. Step 5: Solve for x
    x = 10,704,413,843.10/162,306.82
  6. Step 6: Final answer
    x = 65,951.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.